Changeset 62b9793 in sasview for src/sas/sascalc/dataloader/loader.py

Timestamp:

Mar 15, 2017 8:55:43 AM (8 years ago)

Author:

krzywon

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.2.2, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

b9b612a

Parents:

d0764bf

Message:

Direct error message when a data file cannot be loaded by any reader.

File:

• src/sas/sascalc/dataloader/loader.py (modified) (1 diff)

src/sas/sascalc/dataloader/loader.py

@@ -78 +78 @@
                     return cansas_loader.read(path)
                 except:
-                    cansas_nexus_loader = cansas_reader_HDF5.Reader()
-                    return cansas_nexus_loader.read(path)
+                    try:
+                        cansas_nexus_loader = cansas_reader_HDF5.Reader()
+                        return cansas_nexus_loader.read(path)
+                    except:
+                        msg = "\n\tUnknown data format: %s.\n" % path
+                        msg += "\tThe file is not a known format for SasView. "
+                        msg += "The most common formats are multi-column "
+                        msg += "ASCII, CanSAS XML, andCanSAS NeXuS."
+                        raise Exception(msg)
 
     def find_plugins(self, dir):